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Finding the Third Proportional to 68,423,688 and 148,893,362

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Solution

The third proportional to 68,423,688 and 148,893,362 is: 323,999,391.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,423,688 : 148,893,362 = 148,893,362 : x
  2. Step 2: Convert to fraction form
    68,423,688/148,893,362 = 148,893,362/x
  3. Step 3: Cross multiply
    68,423,688x = 148,893,362 × 148,893,362
  4. Step 4: Simplify right side
    68,423,688x = 22,169,233,247,663,044
  5. Step 5: Solve for x
    x = 22,169,233,247,663,044/68,423,688
  6. Step 6: Final answer
    x = 323,999,391.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.