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Finding the Third Proportional to 90,710,579.74 and 140,075,979.33

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Solution

The third proportional to 90,710,579.74 and 140,075,979.33 is: 216,306,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,710,579.74 : 140,075,979.33 = 140,075,979.33 : x
  2. Step 2: Convert to fraction form
    90,710,579.74/140,075,979.33 = 140,075,979.33/x
  3. Step 3: Cross multiply
    90,710,579.74x = 140,075,979.33 × 140,075,979.33
  4. Step 4: Simplify right side
    90,710,579.74x = 19,621,279,984,731,900
  5. Step 5: Solve for x
    x = 19,621,279,984,731,900/90,710,579.74
  6. Step 6: Final answer
    x = 216,306,411.45

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.