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Finding the Third Proportional to 28,388,082.38 and 42,534,897.75

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Solution

The third proportional to 28,388,082.38 and 42,534,897.75 is: 63,731,586.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,388,082.38 : 42,534,897.75 = 42,534,897.75 : x
  2. Step 2: Convert to fraction form
    28,388,082.38/42,534,897.75 = 42,534,897.75/x
  3. Step 3: Cross multiply
    28,388,082.38x = 42,534,897.75 × 42,534,897.75
  4. Step 4: Simplify right side
    28,388,082.38x = 1,809,217,526,602,955
  5. Step 5: Solve for x
    x = 1,809,217,526,602,955/28,388,082.38
  6. Step 6: Final answer
    x = 63,731,586.47

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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.