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Finding the Third Proportional to 389,484,675 and 606,560,818.50

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Solution

The third proportional to 389,484,675 and 606,560,818.50 is: 944,622,600.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,484,675 : 606,560,818.50 = 606,560,818.50 : x
  2. Step 2: Convert to fraction form
    389,484,675/606,560,818.50 = 606,560,818.50/x
  3. Step 3: Cross multiply
    389,484,675x = 606,560,818.50 × 606,560,818.50
  4. Step 4: Simplify right side
    389,484,675x = 367,916,026,539,389,952
  5. Step 5: Solve for x
    x = 367,916,026,539,389,952/389,484,675
  6. Step 6: Final answer
    x = 944,622,600.46

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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.