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Finding the Third Proportional to 39,636,106 and 55,816,719

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Solution

The third proportional to 39,636,106 and 55,816,719 is: 78,602,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,636,106 : 55,816,719 = 55,816,719 : x
  2. Step 2: Convert to fraction form
    39,636,106/55,816,719 = 55,816,719/x
  3. Step 3: Cross multiply
    39,636,106x = 55,816,719 × 55,816,719
  4. Step 4: Simplify right side
    39,636,106x = 3,115,506,119,924,961
  5. Step 5: Solve for x
    x = 3,115,506,119,924,961/39,636,106
  6. Step 6: Final answer
    x = 78,602,729.54

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.