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Finding the Third Proportional to 3,124,678 and 6,849,688

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Solution

The third proportional to 3,124,678 and 6,849,688 is: 15,015,379.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124,678 : 6,849,688 = 6,849,688 : x
  2. Step 2: Convert to fraction form
    3,124,678/6,849,688 = 6,849,688/x
  3. Step 3: Cross multiply
    3,124,678x = 6,849,688 × 6,849,688
  4. Step 4: Simplify right side
    3,124,678x = 46,918,225,697,344
  5. Step 5: Solve for x
    x = 46,918,225,697,344/3,124,678
  6. Step 6: Final answer
    x = 15,015,379.41

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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.