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Finding the Third Proportional to 292,445,028 and 454,285,988

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Solution

The third proportional to 292,445,028 and 454,285,988 is: 705,690,776.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,445,028 : 454,285,988 = 454,285,988 : x
  2. Step 2: Convert to fraction form
    292,445,028/454,285,988 = 454,285,988/x
  3. Step 3: Cross multiply
    292,445,028x = 454,285,988 × 454,285,988
  4. Step 4: Simplify right side
    292,445,028x = 206,375,758,893,136,128
  5. Step 5: Solve for x
    x = 206,375,758,893,136,128/292,445,028
  6. Step 6: Final answer
    x = 705,690,776.50

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.