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Finding the Third Proportional to 19,537,285.50 and 28,720,676.25

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Solution

The third proportional to 19,537,285.50 and 28,720,676.25 is: 42,220,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,537,285.50 : 28,720,676.25 = 28,720,676.25 : x
  2. Step 2: Convert to fraction form
    19,537,285.50/28,720,676.25 = 28,720,676.25/x
  3. Step 3: Cross multiply
    19,537,285.50x = 28,720,676.25 × 28,720,676.25
  4. Step 4: Simplify right side
    19,537,285.50x = 824,877,244,257,314
  5. Step 5: Solve for x
    x = 824,877,244,257,314/19,537,285.50
  6. Step 6: Final answer
    x = 42,220,667.98

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.