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Finding the Third Proportional to 12,299,953,394 and 18,369,329,475

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Solution

The third proportional to 12,299,953,394 and 18,369,329,475 is: 27,433,621,457.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299,953,394 : 18,369,329,475 = 18,369,329,475 : x
  2. Step 2: Convert to fraction form
    12,299,953,394/18,369,329,475 = 18,369,329,475/x
  3. Step 3: Cross multiply
    12,299,953,394x = 18,369,329,475 × 18,369,329,475
  4. Step 4: Simplify right side
    12,299,953,394x = 337,432,265,361,103,781,888
  5. Step 5: Solve for x
    x = 337,432,265,361,103,781,888/12,299,953,394
  6. Step 6: Final answer
    x = 27,433,621,457.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.