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Finding the Third Proportional to 408,045,968 and 885,370,248

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Solution

The third proportional to 408,045,968 and 885,370,248 is: 1,921,059,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,045,968 : 885,370,248 = 885,370,248 : x
  2. Step 2: Convert to fraction form
    408,045,968/885,370,248 = 885,370,248/x
  3. Step 3: Cross multiply
    408,045,968x = 885,370,248 × 885,370,248
  4. Step 4: Simplify right side
    408,045,968x = 783,880,476,043,581,440
  5. Step 5: Solve for x
    x = 783,880,476,043,581,440/408,045,968
  6. Step 6: Final answer
    x = 1,921,059,237.24

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.