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Finding the Third Proportional to 10,005,547.50 and 21,840,799.50

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Solution

The third proportional to 10,005,547.50 and 21,840,799.50 is: 47,675,604.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005,547.50 : 21,840,799.50 = 21,840,799.50 : x
  2. Step 2: Convert to fraction form
    10,005,547.50/21,840,799.50 = 21,840,799.50/x
  3. Step 3: Cross multiply
    10,005,547.50x = 21,840,799.50 × 21,840,799.50
  4. Step 4: Simplify right side
    10,005,547.50x = 477,020,522,799,200.25
  5. Step 5: Solve for x
    x = 477,020,522,799,200.25/10,005,547.50
  6. Step 6: Final answer
    x = 47,675,604.24

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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.