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Finding the Third Proportional to 719,838 and 1,575,270

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Solution

The third proportional to 719,838 and 1,575,270 is: 3,447,269.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,838 : 1,575,270 = 1,575,270 : x
  2. Step 2: Convert to fraction form
    719,838/1,575,270 = 1,575,270/x
  3. Step 3: Cross multiply
    719,838x = 1,575,270 × 1,575,270
  4. Step 4: Simplify right side
    719,838x = 2,481,475,572,900
  5. Step 5: Solve for x
    x = 2,481,475,572,900/719,838
  6. Step 6: Final answer
    x = 3,447,269.49

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.