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Finding the Third Proportional to 31,330,280 and 47,896,130

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Solution

The third proportional to 31,330,280 and 47,896,130 is: 73,221,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330,280 : 47,896,130 = 47,896,130 : x
  2. Step 2: Convert to fraction form
    31,330,280/47,896,130 = 47,896,130/x
  3. Step 3: Cross multiply
    31,330,280x = 47,896,130 × 47,896,130
  4. Step 4: Simplify right side
    31,330,280x = 2,294,039,268,976,900
  5. Step 5: Solve for x
    x = 2,294,039,268,976,900/31,330,280
  6. Step 6: Final answer
    x = 73,221,154.39

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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.