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Finding the Third Proportional to 74,222,730 and 153,536,796

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Solution

The third proportional to 74,222,730 and 153,536,796 is: 317,605,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,222,730 : 153,536,796 = 153,536,796 : x
  2. Step 2: Convert to fraction form
    74,222,730/153,536,796 = 153,536,796/x
  3. Step 3: Cross multiply
    74,222,730x = 153,536,796 × 153,536,796
  4. Step 4: Simplify right side
    74,222,730x = 23,573,547,725,945,616
  5. Step 5: Solve for x
    x = 23,573,547,725,945,616/74,222,730
  6. Step 6: Final answer
    x = 317,605,506.10

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.