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Finding the Third Proportional to 12,581,844,946 and 19,535,712,863

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Solution

The third proportional to 12,581,844,946 and 19,535,712,863 is: 30,332,918,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581,844,946 : 19,535,712,863 = 19,535,712,863 : x
  2. Step 2: Convert to fraction form
    12,581,844,946/19,535,712,863 = 19,535,712,863/x
  3. Step 3: Cross multiply
    12,581,844,946x = 19,535,712,863 × 19,535,712,863
  4. Step 4: Simplify right side
    12,581,844,946x = 381,644,077,065,583,656,960
  5. Step 5: Solve for x
    x = 381,644,077,065,583,656,960/12,581,844,946
  6. Step 6: Final answer
    x = 30,332,918,479.25

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.