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Finding the Third Proportional to 12,615,166 and 19,762,832

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Solution

The third proportional to 12,615,166 and 19,762,832 is: 30,960,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,166 : 19,762,832 = 19,762,832 : x
  2. Step 2: Convert to fraction form
    12,615,166/19,762,832 = 19,762,832/x
  3. Step 3: Cross multiply
    12,615,166x = 19,762,832 × 19,762,832
  4. Step 4: Simplify right side
    12,615,166x = 390,569,528,660,224
  5. Step 5: Solve for x
    x = 390,569,528,660,224/12,615,166
  6. Step 6: Final answer
    x = 30,960,316.23

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.