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Finding the Third Proportional to 346,275 and 756,540

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Solution

The third proportional to 346,275 and 756,540 is: 1,652,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,275 : 756,540 = 756,540 : x
  2. Step 2: Convert to fraction form
    346,275/756,540 = 756,540/x
  3. Step 3: Cross multiply
    346,275x = 756,540 × 756,540
  4. Step 4: Simplify right side
    346,275x = 572,352,771,600
  5. Step 5: Solve for x
    x = 572,352,771,600/346,275
  6. Step 6: Final answer
    x = 1,652,885.05

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.