Home / 78,262,159.50-170,009,664.75

Finding the Third Proportional to 78,262,159.50 and 170,009,664.75

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Solution

The third proportional to 78,262,159.50 and 170,009,664.75 is: 369,313,679.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,262,159.50 : 170,009,664.75 = 170,009,664.75 : x
  2. Step 2: Convert to fraction form
    78,262,159.50/170,009,664.75 = 170,009,664.75/x
  3. Step 3: Cross multiply
    78,262,159.50x = 170,009,664.75 × 170,009,664.75
  4. Step 4: Simplify right side
    78,262,159.50x = 28,903,286,108,407,392
  5. Step 5: Solve for x
    x = 28,903,286,108,407,392/78,262,159.50
  6. Step 6: Final answer
    x = 369,313,679.73

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.