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Finding the Third Proportional to 15,204,878 and 31,487,646

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Solution

The third proportional to 15,204,878 and 31,487,646 is: 65,207,484.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204,878 : 31,487,646 = 31,487,646 : x
  2. Step 2: Convert to fraction form
    15,204,878/31,487,646 = 31,487,646/x
  3. Step 3: Cross multiply
    15,204,878x = 31,487,646 × 31,487,646
  4. Step 4: Simplify right side
    15,204,878x = 991,471,850,621,316
  5. Step 5: Solve for x
    x = 991,471,850,621,316/15,204,878
  6. Step 6: Final answer
    x = 65,207,484.77

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.