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Finding the Third Proportional to 387,875,386 and 837,279,668

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Solution

The third proportional to 387,875,386 and 837,279,668 is: 1,807,377,492.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,875,386 : 837,279,668 = 837,279,668 : x
  2. Step 2: Convert to fraction form
    387,875,386/837,279,668 = 837,279,668/x
  3. Step 3: Cross multiply
    387,875,386x = 837,279,668 × 837,279,668
  4. Step 4: Simplify right side
    387,875,386x = 701,037,242,446,190,208
  5. Step 5: Solve for x
    x = 701,037,242,446,190,208/387,875,386
  6. Step 6: Final answer
    x = 1,807,377,492.23

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.