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Finding the Third Proportional to 13,326,178 and 20,153,294

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Solution

The third proportional to 13,326,178 and 20,153,294 is: 30,478,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326,178 : 20,153,294 = 20,153,294 : x
  2. Step 2: Convert to fraction form
    13,326,178/20,153,294 = 20,153,294/x
  3. Step 3: Cross multiply
    13,326,178x = 20,153,294 × 20,153,294
  4. Step 4: Simplify right side
    13,326,178x = 406,155,259,050,436
  5. Step 5: Solve for x
    x = 406,155,259,050,436/13,326,178
  6. Step 6: Final answer
    x = 30,478,000.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.