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Finding the Third Proportional to 4,788,840 and 10,640,564

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Solution

The third proportional to 4,788,840 and 10,640,564 is: 23,642,803.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788,840 : 10,640,564 = 10,640,564 : x
  2. Step 2: Convert to fraction form
    4,788,840/10,640,564 = 10,640,564/x
  3. Step 3: Cross multiply
    4,788,840x = 10,640,564 × 10,640,564
  4. Step 4: Simplify right side
    4,788,840x = 113,221,602,238,096
  5. Step 5: Solve for x
    x = 113,221,602,238,096/4,788,840
  6. Step 6: Final answer
    x = 23,642,803.32

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These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.