Home / 197,666,392,027.50-278,357,837,699.80

Finding the Third Proportional to 197,666,392,027.50 and 278,357,837,699.80

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Solution

The third proportional to 197,666,392,027.50 and 278,357,837,699.80 is: 391,989,174,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,666,392,027.50 : 278,357,837,699.80 = 278,357,837,699.80 : x
  2. Step 2: Convert to fraction form
    197,666,392,027.50/278,357,837,699.80 = 278,357,837,699.80/x
  3. Step 3: Cross multiply
    197,666,392,027.50x = 278,357,837,699.80 × 278,357,837,699.80
  4. Step 4: Simplify right side
    197,666,392,027.50x = 77,483,085,808,908,189,564,928
  5. Step 5: Solve for x
    x = 77,483,085,808,908,189,564,928/197,666,392,027.50
  6. Step 6: Final answer
    x = 391,989,174,356.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.