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Finding the Third Proportional to 14,708,694,018 and 20,639,209,428

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Solution

The third proportional to 14,708,694,018 and 20,639,209,428 is: 28,960,896,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,708,694,018 : 20,639,209,428 = 20,639,209,428 : x
  2. Step 2: Convert to fraction form
    14,708,694,018/20,639,209,428 = 20,639,209,428/x
  3. Step 3: Cross multiply
    14,708,694,018x = 20,639,209,428 × 20,639,209,428
  4. Step 4: Simplify right side
    14,708,694,018x = 425,976,965,812,844,101,632
  5. Step 5: Solve for x
    x = 425,976,965,812,844,101,632/14,708,694,018
  6. Step 6: Final answer
    x = 28,960,896,548.09

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.