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Finding the Third Proportional to 857,173,178 and 1,860,472,900

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Solution

The third proportional to 857,173,178 and 1,860,472,900 is: 4,038,109,801.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,173,178 : 1,860,472,900 = 1,860,472,900 : x
  2. Step 2: Convert to fraction form
    857,173,178/1,860,472,900 = 1,860,472,900/x
  3. Step 3: Cross multiply
    857,173,178x = 1,860,472,900 × 1,860,472,900
  4. Step 4: Simplify right side
    857,173,178x = 3,461,359,411,634,409,984
  5. Step 5: Solve for x
    x = 3,461,359,411,634,409,984/857,173,178
  6. Step 6: Final answer
    x = 4,038,109,801.46

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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.