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Finding the Third Proportional to 344,302 and 742,988

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Solution

The third proportional to 344,302 and 742,988 is: 1,603,334.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,302 : 742,988 = 742,988 : x
  2. Step 2: Convert to fraction form
    344,302/742,988 = 742,988/x
  3. Step 3: Cross multiply
    344,302x = 742,988 × 742,988
  4. Step 4: Simplify right side
    344,302x = 552,031,168,144
  5. Step 5: Solve for x
    x = 552,031,168,144/344,302
  6. Step 6: Final answer
    x = 1,603,334.19

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Why These Related Problems?

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