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Finding the Third Proportional to 176,836,611 and 380,547,078

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Solution

The third proportional to 176,836,611 and 380,547,078 is: 818,925,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,836,611 : 380,547,078 = 380,547,078 : x
  2. Step 2: Convert to fraction form
    176,836,611/380,547,078 = 380,547,078/x
  3. Step 3: Cross multiply
    176,836,611x = 380,547,078 × 380,547,078
  4. Step 4: Simplify right side
    176,836,611x = 144,816,078,574,338,080
  5. Step 5: Solve for x
    x = 144,816,078,574,338,080/176,836,611
  6. Step 6: Final answer
    x = 818,925,887.32

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Why These Related Problems?

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