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Finding the Third Proportional to 7,152,439 and 15,515,894

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Solution

The third proportional to 7,152,439 and 15,515,894 is: 33,658,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,439 : 15,515,894 = 15,515,894 : x
  2. Step 2: Convert to fraction form
    7,152,439/15,515,894 = 15,515,894/x
  3. Step 3: Cross multiply
    7,152,439x = 15,515,894 × 15,515,894
  4. Step 4: Simplify right side
    7,152,439x = 240,742,966,619,236
  5. Step 5: Solve for x
    x = 240,742,966,619,236/7,152,439
  6. Step 6: Final answer
    x = 33,658,863.31

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.