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Finding the Third Proportional to 15,918,477 and 25,246,791

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Solution

The third proportional to 15,918,477 and 25,246,791 is: 40,041,547.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918,477 : 25,246,791 = 25,246,791 : x
  2. Step 2: Convert to fraction form
    15,918,477/25,246,791 = 25,246,791/x
  3. Step 3: Cross multiply
    15,918,477x = 25,246,791 × 25,246,791
  4. Step 4: Simplify right side
    15,918,477x = 637,400,455,797,681
  5. Step 5: Solve for x
    x = 637,400,455,797,681/15,918,477
  6. Step 6: Final answer
    x = 40,041,547.68

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.