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Finding the Third Proportional to 29,965,552 and 64,478,972

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Solution

The third proportional to 29,965,552 and 64,478,972 is: 138,743,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,965,552 : 64,478,972 = 64,478,972 : x
  2. Step 2: Convert to fraction form
    29,965,552/64,478,972 = 64,478,972/x
  3. Step 3: Cross multiply
    29,965,552x = 64,478,972 × 64,478,972
  4. Step 4: Simplify right side
    29,965,552x = 4,157,537,830,176,784
  5. Step 5: Solve for x
    x = 4,157,537,830,176,784/29,965,552
  6. Step 6: Final answer
    x = 138,743,909.35

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.