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Finding the Third Proportional to 19,972,572 and 43,030,461

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Solution

The third proportional to 19,972,572 and 43,030,461 is: 92,708,168.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972,572 : 43,030,461 = 43,030,461 : x
  2. Step 2: Convert to fraction form
    19,972,572/43,030,461 = 43,030,461/x
  3. Step 3: Cross multiply
    19,972,572x = 43,030,461 × 43,030,461
  4. Step 4: Simplify right side
    19,972,572x = 1,851,620,573,872,521
  5. Step 5: Solve for x
    x = 1,851,620,573,872,521/19,972,572
  6. Step 6: Final answer
    x = 92,708,168.68

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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.