Finding the Third Proportional to 390,192.98 and 851,291.41
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Solution
The third proportional to 390,192.98 and 851,291.41 is: 1,857,278.59
Step by Step Solution
- Step 1: Write the proportion equation
390,192.98 : 851,291.41 = 851,291.41 : x - Step 2: Convert to fraction form
390,192.98/851,291.41 = 851,291.41/x - Step 3: Cross multiply
390,192.98x = 851,291.41 × 851,291.41 - Step 4: Simplify right side
390,192.98x = 724,697,066,668.56 - Step 5: Solve for x
x = 724,697,066,668.56/390,192.98 - Step 6: Final answer
x = 1,857,278.59
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.