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Finding the Third Proportional to 850,379 and 1,316,646

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Solution

The third proportional to 850,379 and 1,316,646 is: 2,038,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,379 : 1,316,646 = 1,316,646 : x
  2. Step 2: Convert to fraction form
    850,379/1,316,646 = 1,316,646/x
  3. Step 3: Cross multiply
    850,379x = 1,316,646 × 1,316,646
  4. Step 4: Simplify right side
    850,379x = 1,733,556,689,316
  5. Step 5: Solve for x
    x = 1,733,556,689,316/850,379
  6. Step 6: Final answer
    x = 2,038,569.50

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.