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Finding the Third Proportional to 8,737,811.50 and 13,106,718.50

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Solution

The third proportional to 8,737,811.50 and 13,106,718.50 is: 19,660,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737,811.50 : 13,106,718.50 = 13,106,718.50 : x
  2. Step 2: Convert to fraction form
    8,737,811.50/13,106,718.50 = 13,106,718.50/x
  3. Step 3: Cross multiply
    8,737,811.50x = 13,106,718.50 × 13,106,718.50
  4. Step 4: Simplify right side
    8,737,811.50x = 171,786,069,838,242.25
  5. Step 5: Solve for x
    x = 171,786,069,838,242.25/8,737,811.50
  6. Step 6: Final answer
    x = 19,660,079.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.