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Finding the Third Proportional to 175,547 and 384,430

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Solution

The third proportional to 175,547 and 384,430 is: 841,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,547 : 384,430 = 384,430 : x
  2. Step 2: Convert to fraction form
    175,547/384,430 = 384,430/x
  3. Step 3: Cross multiply
    175,547x = 384,430 × 384,430
  4. Step 4: Simplify right side
    175,547x = 147,786,424,900
  5. Step 5: Solve for x
    x = 147,786,424,900/175,547
  6. Step 6: Final answer
    x = 841,862.44

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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.