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Finding the Third Proportional to 16,578,447 and 35,676,321

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Solution

The third proportional to 16,578,447 and 35,676,321 is: 76,774,373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,578,447 : 35,676,321 = 35,676,321 : x
  2. Step 2: Convert to fraction form
    16,578,447/35,676,321 = 35,676,321/x
  3. Step 3: Cross multiply
    16,578,447x = 35,676,321 × 35,676,321
  4. Step 4: Simplify right side
    16,578,447x = 1,272,799,880,095,041
  5. Step 5: Solve for x
    x = 1,272,799,880,095,041/16,578,447
  6. Step 6: Final answer
    x = 76,774,373.38

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.