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Finding the Third Proportional to 250,447,315 and 389,982,507

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Solution

The third proportional to 250,447,315 and 389,982,507 is: 607,258,879.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,447,315 : 389,982,507 = 389,982,507 : x
  2. Step 2: Convert to fraction form
    250,447,315/389,982,507 = 389,982,507/x
  3. Step 3: Cross multiply
    250,447,315x = 389,982,507 × 389,982,507
  4. Step 4: Simplify right side
    250,447,315x = 152,086,355,766,005,056
  5. Step 5: Solve for x
    x = 152,086,355,766,005,056/250,447,315
  6. Step 6: Final answer
    x = 607,258,879.04

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.