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Finding the Third Proportional to 8,897,211.49 and 13,345,825.78

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Solution

The third proportional to 8,897,211.49 and 13,345,825.78 is: 20,018,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897,211.49 : 13,345,825.78 = 13,345,825.78 : x
  2. Step 2: Convert to fraction form
    8,897,211.49/13,345,825.78 = 13,345,825.78/x
  3. Step 3: Cross multiply
    8,897,211.49x = 13,345,825.78 × 13,345,825.78
  4. Step 4: Simplify right side
    8,897,211.49x = 178,111,065,783,477.19
  5. Step 5: Solve for x
    x = 178,111,065,783,477.19/8,897,211.49
  6. Step 6: Final answer
    x = 20,018,751.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.