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Finding the Third Proportional to 719,709 and 1,550,135

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Solution

The third proportional to 719,709 and 1,550,135 is: 3,338,736.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,709 : 1,550,135 = 1,550,135 : x
  2. Step 2: Convert to fraction form
    719,709/1,550,135 = 1,550,135/x
  3. Step 3: Cross multiply
    719,709x = 1,550,135 × 1,550,135
  4. Step 4: Simplify right side
    719,709x = 2,402,918,518,225
  5. Step 5: Solve for x
    x = 2,402,918,518,225/719,709
  6. Step 6: Final answer
    x = 3,338,736.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.