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Finding the Third Proportional to 4,486,160 and 9,869,472

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Solution

The third proportional to 4,486,160 and 9,869,472 is: 21,712,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486,160 : 9,869,472 = 9,869,472 : x
  2. Step 2: Convert to fraction form
    4,486,160/9,869,472 = 9,869,472/x
  3. Step 3: Cross multiply
    4,486,160x = 9,869,472 × 9,869,472
  4. Step 4: Simplify right side
    4,486,160x = 97,406,477,558,784
  5. Step 5: Solve for x
    x = 97,406,477,558,784/4,486,160
  6. Step 6: Final answer
    x = 21,712,662.40

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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.