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Finding the Third Proportional to 492,660,654 and 688,769,775

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Solution

The third proportional to 492,660,654 and 688,769,775 is: 962,942,339.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,660,654 : 688,769,775 = 688,769,775 : x
  2. Step 2: Convert to fraction form
    492,660,654/688,769,775 = 688,769,775/x
  3. Step 3: Cross multiply
    492,660,654x = 688,769,775 × 688,769,775
  4. Step 4: Simplify right side
    492,660,654x = 474,403,802,953,550,656
  5. Step 5: Solve for x
    x = 474,403,802,953,550,656/492,660,654
  6. Step 6: Final answer
    x = 962,942,339.93

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.