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Finding the Third Proportional to 18,426,649.50 and 28,903,331.25

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Solution

The third proportional to 18,426,649.50 and 28,903,331.25 is: 45,336,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426,649.50 : 28,903,331.25 = 28,903,331.25 : x
  2. Step 2: Convert to fraction form
    18,426,649.50/28,903,331.25 = 28,903,331.25/x
  3. Step 3: Cross multiply
    18,426,649.50x = 28,903,331.25 × 28,903,331.25
  4. Step 4: Simplify right side
    18,426,649.50x = 835,402,557,347,226.50
  5. Step 5: Solve for x
    x = 835,402,557,347,226.50/18,426,649.50
  6. Step 6: Final answer
    x = 45,336,649.91

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.