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Finding the Third Proportional to 7,439,522 and 15,771,940

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Solution

The third proportional to 7,439,522 and 15,771,940 is: 33,436,837.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439,522 : 15,771,940 = 15,771,940 : x
  2. Step 2: Convert to fraction form
    7,439,522/15,771,940 = 15,771,940/x
  3. Step 3: Cross multiply
    7,439,522x = 15,771,940 × 15,771,940
  4. Step 4: Simplify right side
    7,439,522x = 248,754,091,363,600
  5. Step 5: Solve for x
    x = 248,754,091,363,600/7,439,522
  6. Step 6: Final answer
    x = 33,436,837.93

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.