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Finding the Third Proportional to 180,312 and 265,365

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Solution

The third proportional to 180,312 and 265,365 is: 390,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,312 : 265,365 = 265,365 : x
  2. Step 2: Convert to fraction form
    180,312/265,365 = 265,365/x
  3. Step 3: Cross multiply
    180,312x = 265,365 × 265,365
  4. Step 4: Simplify right side
    180,312x = 70,418,583,225
  5. Step 5: Solve for x
    x = 70,418,583,225/180,312
  6. Step 6: Final answer
    x = 390,537.42

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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.