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Finding the Third Proportional to 21,054,691 and 30,852,051

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Solution

The third proportional to 21,054,691 and 30,852,051 is: 45,208,407.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054,691 : 30,852,051 = 30,852,051 : x
  2. Step 2: Convert to fraction form
    21,054,691/30,852,051 = 30,852,051/x
  3. Step 3: Cross multiply
    21,054,691x = 30,852,051 × 30,852,051
  4. Step 4: Simplify right side
    21,054,691x = 951,849,050,906,601
  5. Step 5: Solve for x
    x = 951,849,050,906,601/21,054,691
  6. Step 6: Final answer
    x = 45,208,407.52

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.