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Finding the Third Proportional to 191,562,280 and 420,207,334

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Solution

The third proportional to 191,562,280 and 420,207,334 is: 921,758,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,562,280 : 420,207,334 = 420,207,334 : x
  2. Step 2: Convert to fraction form
    191,562,280/420,207,334 = 420,207,334/x
  3. Step 3: Cross multiply
    191,562,280x = 420,207,334 × 420,207,334
  4. Step 4: Simplify right side
    191,562,280x = 176,574,203,547,387,552
  5. Step 5: Solve for x
    x = 176,574,203,547,387,552/191,562,280
  6. Step 6: Final answer
    x = 921,758,728.01

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.