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Finding the Third Proportional to 369,688 and 756,858

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Solution

The third proportional to 369,688 and 756,858 is: 1,549,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,688 : 756,858 = 756,858 : x
  2. Step 2: Convert to fraction form
    369,688/756,858 = 756,858/x
  3. Step 3: Cross multiply
    369,688x = 756,858 × 756,858
  4. Step 4: Simplify right side
    369,688x = 572,834,032,164
  5. Step 5: Solve for x
    x = 572,834,032,164/369,688
  6. Step 6: Final answer
    x = 1,549,506.70

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.