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Finding the Third Proportional to 56,688 and 83,304

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Solution

The third proportional to 56,688 and 83,304 is: 122,416.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,688 : 83,304 = 83,304 : x
  2. Step 2: Convert to fraction form
    56,688/83,304 = 83,304/x
  3. Step 3: Cross multiply
    56,688x = 83,304 × 83,304
  4. Step 4: Simplify right side
    56,688x = 6,939,556,416
  5. Step 5: Solve for x
    x = 6,939,556,416/56,688
  6. Step 6: Final answer
    x = 122,416.67

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.