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Finding the Third Proportional to 19,461,672 and 29,851,920

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Solution

The third proportional to 19,461,672 and 29,851,920 is: 45,789,340.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461,672 : 29,851,920 = 29,851,920 : x
  2. Step 2: Convert to fraction form
    19,461,672/29,851,920 = 29,851,920/x
  3. Step 3: Cross multiply
    19,461,672x = 29,851,920 × 29,851,920
  4. Step 4: Simplify right side
    19,461,672x = 891,137,127,686,400
  5. Step 5: Solve for x
    x = 891,137,127,686,400/19,461,672
  6. Step 6: Final answer
    x = 45,789,340.59

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.