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Finding the Third Proportional to 18,696,814.88 and 28,720,595.25

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Solution

The third proportional to 18,696,814.88 and 28,720,595.25 is: 44,118,348.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,814.88 : 28,720,595.25 = 28,720,595.25 : x
  2. Step 2: Convert to fraction form
    18,696,814.88/28,720,595.25 = 28,720,595.25/x
  3. Step 3: Cross multiply
    18,696,814.88x = 28,720,595.25 × 28,720,595.25
  4. Step 4: Simplify right side
    18,696,814.88x = 824,872,591,514,322.50
  5. Step 5: Solve for x
    x = 824,872,591,514,322.50/18,696,814.88
  6. Step 6: Final answer
    x = 44,118,348.34

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.