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Finding the Third Proportional to 21,008,897 and 45,698,758

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Solution

The third proportional to 21,008,897 and 45,698,758 is: 99,404,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,008,897 : 45,698,758 = 45,698,758 : x
  2. Step 2: Convert to fraction form
    21,008,897/45,698,758 = 45,698,758/x
  3. Step 3: Cross multiply
    21,008,897x = 45,698,758 × 45,698,758
  4. Step 4: Simplify right side
    21,008,897x = 2,088,376,482,742,564
  5. Step 5: Solve for x
    x = 2,088,376,482,742,564/21,008,897
  6. Step 6: Final answer
    x = 99,404,384.85

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.