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Finding the Third Proportional to 15,941,979 and 22,369,756.50

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Solution

The third proportional to 15,941,979 and 22,369,756.50 is: 31,389,202.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941,979 : 22,369,756.50 = 22,369,756.50 : x
  2. Step 2: Convert to fraction form
    15,941,979/22,369,756.50 = 22,369,756.50/x
  3. Step 3: Cross multiply
    15,941,979x = 22,369,756.50 × 22,369,756.50
  4. Step 4: Simplify right side
    15,941,979x = 500,406,005,869,292.25
  5. Step 5: Solve for x
    x = 500,406,005,869,292.25/15,941,979
  6. Step 6: Final answer
    x = 31,389,202.42

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.