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Finding the Third Proportional to 559,487 and 1,207,421.50

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Solution

The third proportional to 559,487 and 1,207,421.50 is: 2,605,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,487 : 1,207,421.50 = 1,207,421.50 : x
  2. Step 2: Convert to fraction form
    559,487/1,207,421.50 = 1,207,421.50/x
  3. Step 3: Cross multiply
    559,487x = 1,207,421.50 × 1,207,421.50
  4. Step 4: Simplify right side
    559,487x = 1,457,866,678,662.25
  5. Step 5: Solve for x
    x = 1,457,866,678,662.25/559,487
  6. Step 6: Final answer
    x = 2,605,720.38

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.