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Finding the Third Proportional to 318,924,060 and 499,643,649

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Solution

The third proportional to 318,924,060 and 499,643,649 is: 782,768,712.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,924,060 : 499,643,649 = 499,643,649 : x
  2. Step 2: Convert to fraction form
    318,924,060/499,643,649 = 499,643,649/x
  3. Step 3: Cross multiply
    318,924,060x = 499,643,649 × 499,643,649
  4. Step 4: Simplify right side
    318,924,060x = 249,643,775,986,035,200
  5. Step 5: Solve for x
    x = 249,643,775,986,035,200/318,924,060
  6. Step 6: Final answer
    x = 782,768,712.98

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.