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Finding the Third Proportional to 19,730,397,712 and 28,507,017,474

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Solution

The third proportional to 19,730,397,712 and 28,507,017,474 is: 41,187,717,405.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730,397,712 : 28,507,017,474 = 28,507,017,474 : x
  2. Step 2: Convert to fraction form
    19,730,397,712/28,507,017,474 = 28,507,017,474/x
  3. Step 3: Cross multiply
    19,730,397,712x = 28,507,017,474 × 28,507,017,474
  4. Step 4: Simplify right side
    19,730,397,712x = 812,650,045,262,941,388,800
  5. Step 5: Solve for x
    x = 812,650,045,262,941,388,800/19,730,397,712
  6. Step 6: Final answer
    x = 41,187,717,405.65

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.