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Finding the Third Proportional to 21,019,252 and 45,279,776

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Solution

The third proportional to 21,019,252 and 45,279,776 is: 97,541,916.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,019,252 : 45,279,776 = 45,279,776 : x
  2. Step 2: Convert to fraction form
    21,019,252/45,279,776 = 45,279,776/x
  3. Step 3: Cross multiply
    21,019,252x = 45,279,776 × 45,279,776
  4. Step 4: Simplify right side
    21,019,252x = 2,050,258,114,610,176
  5. Step 5: Solve for x
    x = 2,050,258,114,610,176/21,019,252
  6. Step 6: Final answer
    x = 97,541,916.08

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.