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Finding the Third Proportional to 7,139,762 and 15,696,700

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Solution

The third proportional to 7,139,762 and 15,696,700 is: 34,509,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,762 : 15,696,700 = 15,696,700 : x
  2. Step 2: Convert to fraction form
    7,139,762/15,696,700 = 15,696,700/x
  3. Step 3: Cross multiply
    7,139,762x = 15,696,700 × 15,696,700
  4. Step 4: Simplify right side
    7,139,762x = 246,386,390,890,000
  5. Step 5: Solve for x
    x = 246,386,390,890,000/7,139,762
  6. Step 6: Final answer
    x = 34,509,048.19

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.