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Finding the Third Proportional to 19,960,685 and 43,309,312

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Solution

The third proportional to 19,960,685 and 43,309,312 is: 93,969,545.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960,685 : 43,309,312 = 43,309,312 : x
  2. Step 2: Convert to fraction form
    19,960,685/43,309,312 = 43,309,312/x
  3. Step 3: Cross multiply
    19,960,685x = 43,309,312 × 43,309,312
  4. Step 4: Simplify right side
    19,960,685x = 1,875,696,505,913,344
  5. Step 5: Solve for x
    x = 1,875,696,505,913,344/19,960,685
  6. Step 6: Final answer
    x = 93,969,545.93

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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.