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Finding the Third Proportional to 64,736,566 and 138,706,910

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Solution

The third proportional to 64,736,566 and 138,706,910 is: 297,198,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,736,566 : 138,706,910 = 138,706,910 : x
  2. Step 2: Convert to fraction form
    64,736,566/138,706,910 = 138,706,910/x
  3. Step 3: Cross multiply
    64,736,566x = 138,706,910 × 138,706,910
  4. Step 4: Simplify right side
    64,736,566x = 19,239,606,881,748,100
  5. Step 5: Solve for x
    x = 19,239,606,881,748,100/64,736,566
  6. Step 6: Final answer
    x = 297,198,447.04

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.