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Finding the Third Proportional to 19,966,672 and 29,201,208

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Solution

The third proportional to 19,966,672 and 29,201,208 is: 42,706,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966,672 : 29,201,208 = 29,201,208 : x
  2. Step 2: Convert to fraction form
    19,966,672/29,201,208 = 29,201,208/x
  3. Step 3: Cross multiply
    19,966,672x = 29,201,208 × 29,201,208
  4. Step 4: Simplify right side
    19,966,672x = 852,710,548,659,264
  5. Step 5: Solve for x
    x = 852,710,548,659,264/19,966,672
  6. Step 6: Final answer
    x = 42,706,693.87

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.