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Finding the Third Proportional to 18,927,045 and 28,358,613

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Solution

The third proportional to 18,927,045 and 28,358,613 is: 42,490,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927,045 : 28,358,613 = 28,358,613 : x
  2. Step 2: Convert to fraction form
    18,927,045/28,358,613 = 28,358,613/x
  3. Step 3: Cross multiply
    18,927,045x = 28,358,613 × 28,358,613
  4. Step 4: Simplify right side
    18,927,045x = 804,210,931,283,769
  5. Step 5: Solve for x
    x = 804,210,931,283,769/18,927,045
  6. Step 6: Final answer
    x = 42,490,041.70

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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.